Kihwal Lee created HDFS-5449:
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Summary: WebHdfs compatibility broken between 2.2 and 1.x / 23.x
Key: HDFS-5449
URL: https://issues.apache.org/jira/browse/HDFS-5449
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Kihwal Lee
Priority: Blocker
Similarly to HDFS-5403, getFileBlockLocations() fail between old (1.x, 0.23.x) and new (2.x),
but this is worse since both directions won't work. This is caused by the removal of "name"
field from the serialized json format of DatanodeInfo.
2.x namenode should include "name" (ip:port) in the response and 2.x webhdfs client should
use "name", if "ipAddr" and "xferPort" don't exist in the response.
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